One R&D project I chose to do myself involved flashing each Moto G5 Plus firmware release in sequence, and recording the baseband and modem firmware versions, and when they changed. This is for the device named “potter” only.
A user workflow bug that results in users losing Incognito windows on Mac and Windows when running an in-place fix. While this is by design, there should be warnings when users update in-app that Incognito windows will be lost during the dynamic update process.
Updating Linux still is problematic. That’s a problem if “traditional” Linux is going to break out from the desktop.